Physics · Rotational Mechanics
A thin uniform rod of mass M has a length 2L. Two small solid spheres, each of mass M and radius R (where R << L), are attached at the ends of the rod. The moment of inertia of the system about an axis perpendicular to the length of the rod at a distance of L/2 from one end is:
- 145MR2 + 3716ML2
- 245MR2 + 3712ML2✓
- 345MR2 + 176ML2
- 445MR2 + 1312ML2
Correct answer
45MR2 + 3712ML2
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